1 /************************************************************************** 2 * 3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #include "vmwgfx_kms.h" 29 30 #define vmw_crtc_to_ldu(x) \ 31 container_of(x, struct vmw_legacy_display_unit, base.crtc) 32 #define vmw_encoder_to_ldu(x) \ 33 container_of(x, struct vmw_legacy_display_unit, base.encoder) 34 #define vmw_connector_to_ldu(x) \ 35 container_of(x, struct vmw_legacy_display_unit, base.connector) 36 37 struct vmw_legacy_display { 38 struct list_head active; 39 40 unsigned num_active; 41 unsigned last_num_active; 42 43 struct vmw_framebuffer *fb; 44 }; 45 46 /** 47 * Display unit using the legacy register interface. 48 */ 49 struct vmw_legacy_display_unit { 50 struct vmw_display_unit base; 51 52 unsigned pref_width; 53 unsigned pref_height; 54 bool pref_active; 55 struct drm_display_mode *pref_mode; 56 57 struct list_head active; 58 }; 59 60 static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu) 61 { 62 list_del_init(&ldu->active); 63 vmw_display_unit_cleanup(&ldu->base); 64 kfree(ldu); 65 } 66 67 68 /* 69 * Legacy Display Unit CRTC functions 70 */ 71 72 static void vmw_ldu_crtc_save(struct drm_crtc *crtc) 73 { 74 } 75 76 static void vmw_ldu_crtc_restore(struct drm_crtc *crtc) 77 { 78 } 79 80 static void vmw_ldu_crtc_gamma_set(struct drm_crtc *crtc, 81 u16 *r, u16 *g, u16 *b, 82 uint32_t start, uint32_t size) 83 { 84 } 85 86 static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc) 87 { 88 vmw_ldu_destroy(vmw_crtc_to_ldu(crtc)); 89 } 90 91 static int vmw_ldu_commit_list(struct vmw_private *dev_priv) 92 { 93 struct vmw_legacy_display *lds = dev_priv->ldu_priv; 94 struct vmw_legacy_display_unit *entry; 95 struct drm_framebuffer *fb = NULL; 96 struct drm_crtc *crtc = NULL; 97 int i = 0; 98 99 /* If there is no display topology the host just assumes 100 * that the guest will set the same layout as the host. 101 */ 102 if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) { 103 int w = 0, h = 0; 104 list_for_each_entry(entry, &lds->active, active) { 105 crtc = &entry->base.crtc; 106 w = max(w, crtc->x + crtc->mode.hdisplay); 107 h = max(h, crtc->y + crtc->mode.vdisplay); 108 i++; 109 } 110 111 if (crtc == NULL) 112 return 0; 113 fb = entry->base.crtc.fb; 114 115 vmw_kms_write_svga(dev_priv, w, h, fb->pitch, 116 fb->bits_per_pixel, fb->depth); 117 118 return 0; 119 } 120 121 if (!list_empty(&lds->active)) { 122 entry = list_entry(lds->active.next, typeof(*entry), active); 123 fb = entry->base.crtc.fb; 124 125 vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitch, 126 fb->bits_per_pixel, fb->depth); 127 } 128 129 /* Make sure we always show something. */ 130 vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 131 lds->num_active ? lds->num_active : 1); 132 133 i = 0; 134 list_for_each_entry(entry, &lds->active, active) { 135 crtc = &entry->base.crtc; 136 137 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i); 138 vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i); 139 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, crtc->x); 140 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, crtc->y); 141 vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, crtc->mode.hdisplay); 142 vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, crtc->mode.vdisplay); 143 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 144 145 i++; 146 } 147 148 BUG_ON(i != lds->num_active); 149 150 lds->last_num_active = lds->num_active; 151 152 return 0; 153 } 154 155 static int vmw_ldu_del_active(struct vmw_private *vmw_priv, 156 struct vmw_legacy_display_unit *ldu) 157 { 158 struct vmw_legacy_display *ld = vmw_priv->ldu_priv; 159 if (list_empty(&ldu->active)) 160 return 0; 161 162 /* Must init otherwise list_empty(&ldu->active) will not work. */ 163 list_del_init(&ldu->active); 164 if (--(ld->num_active) == 0) { 165 BUG_ON(!ld->fb); 166 if (ld->fb->unpin) 167 ld->fb->unpin(ld->fb); 168 ld->fb = NULL; 169 } 170 171 return 0; 172 } 173 174 static int vmw_ldu_add_active(struct vmw_private *vmw_priv, 175 struct vmw_legacy_display_unit *ldu, 176 struct vmw_framebuffer *vfb) 177 { 178 struct vmw_legacy_display *ld = vmw_priv->ldu_priv; 179 struct vmw_legacy_display_unit *entry; 180 struct list_head *at; 181 182 BUG_ON(!ld->num_active && ld->fb); 183 if (vfb != ld->fb) { 184 if (ld->fb && ld->fb->unpin) 185 ld->fb->unpin(ld->fb); 186 if (vfb->pin) 187 vfb->pin(vfb); 188 ld->fb = vfb; 189 } 190 191 if (!list_empty(&ldu->active)) 192 return 0; 193 194 at = &ld->active; 195 list_for_each_entry(entry, &ld->active, active) { 196 if (entry->base.unit > ldu->base.unit) 197 break; 198 199 at = &entry->active; 200 } 201 202 list_add(&ldu->active, at); 203 204 ld->num_active++; 205 206 return 0; 207 } 208 209 static int vmw_ldu_crtc_set_config(struct drm_mode_set *set) 210 { 211 struct vmw_private *dev_priv; 212 struct vmw_legacy_display_unit *ldu; 213 struct drm_connector *connector; 214 struct drm_display_mode *mode; 215 struct drm_encoder *encoder; 216 struct vmw_framebuffer *vfb; 217 struct drm_framebuffer *fb; 218 struct drm_crtc *crtc; 219 220 if (!set) 221 return -EINVAL; 222 223 if (!set->crtc) 224 return -EINVAL; 225 226 /* get the ldu */ 227 crtc = set->crtc; 228 ldu = vmw_crtc_to_ldu(crtc); 229 vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL; 230 dev_priv = vmw_priv(crtc->dev); 231 232 if (set->num_connectors > 1) { 233 DRM_ERROR("to many connectors\n"); 234 return -EINVAL; 235 } 236 237 if (set->num_connectors == 1 && 238 set->connectors[0] != &ldu->base.connector) { 239 DRM_ERROR("connector doesn't match %p %p\n", 240 set->connectors[0], &ldu->base.connector); 241 return -EINVAL; 242 } 243 244 /* ldu only supports one fb active at the time */ 245 if (dev_priv->ldu_priv->fb && vfb && 246 !(dev_priv->ldu_priv->num_active == 1 && 247 !list_empty(&ldu->active)) && 248 dev_priv->ldu_priv->fb != vfb) { 249 DRM_ERROR("Multiple framebuffers not supported\n"); 250 return -EINVAL; 251 } 252 253 /* since they always map one to one these are safe */ 254 connector = &ldu->base.connector; 255 encoder = &ldu->base.encoder; 256 257 /* should we turn the crtc off? */ 258 if (set->num_connectors == 0 || !set->mode || !set->fb) { 259 260 connector->encoder = NULL; 261 encoder->crtc = NULL; 262 crtc->fb = NULL; 263 264 vmw_ldu_del_active(dev_priv, ldu); 265 266 vmw_ldu_commit_list(dev_priv); 267 268 return 0; 269 } 270 271 272 /* we now know we want to set a mode */ 273 mode = set->mode; 274 fb = set->fb; 275 276 if (set->x + mode->hdisplay > fb->width || 277 set->y + mode->vdisplay > fb->height) { 278 DRM_ERROR("set outside of framebuffer\n"); 279 return -EINVAL; 280 } 281 282 vmw_fb_off(dev_priv); 283 284 crtc->fb = fb; 285 encoder->crtc = crtc; 286 connector->encoder = encoder; 287 crtc->x = set->x; 288 crtc->y = set->y; 289 crtc->mode = *mode; 290 291 vmw_ldu_add_active(dev_priv, ldu, vfb); 292 293 vmw_ldu_commit_list(dev_priv); 294 295 return 0; 296 } 297 298 static struct drm_crtc_funcs vmw_legacy_crtc_funcs = { 299 .save = vmw_ldu_crtc_save, 300 .restore = vmw_ldu_crtc_restore, 301 .cursor_set = vmw_du_crtc_cursor_set, 302 .cursor_move = vmw_du_crtc_cursor_move, 303 .gamma_set = vmw_ldu_crtc_gamma_set, 304 .destroy = vmw_ldu_crtc_destroy, 305 .set_config = vmw_ldu_crtc_set_config, 306 }; 307 308 /* 309 * Legacy Display Unit encoder functions 310 */ 311 312 static void vmw_ldu_encoder_destroy(struct drm_encoder *encoder) 313 { 314 vmw_ldu_destroy(vmw_encoder_to_ldu(encoder)); 315 } 316 317 static struct drm_encoder_funcs vmw_legacy_encoder_funcs = { 318 .destroy = vmw_ldu_encoder_destroy, 319 }; 320 321 /* 322 * Legacy Display Unit connector functions 323 */ 324 325 static void vmw_ldu_connector_dpms(struct drm_connector *connector, int mode) 326 { 327 } 328 329 static void vmw_ldu_connector_save(struct drm_connector *connector) 330 { 331 } 332 333 static void vmw_ldu_connector_restore(struct drm_connector *connector) 334 { 335 } 336 337 static enum drm_connector_status 338 vmw_ldu_connector_detect(struct drm_connector *connector) 339 { 340 if (vmw_connector_to_ldu(connector)->pref_active) 341 return connector_status_connected; 342 return connector_status_disconnected; 343 } 344 345 static struct drm_display_mode vmw_ldu_connector_builtin[] = { 346 /* 640x480@60Hz */ 347 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 348 752, 800, 0, 480, 489, 492, 525, 0, 349 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 350 /* 800x600@60Hz */ 351 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 352 968, 1056, 0, 600, 601, 605, 628, 0, 353 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 354 /* 1024x768@60Hz */ 355 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 356 1184, 1344, 0, 768, 771, 777, 806, 0, 357 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 358 /* 1152x864@75Hz */ 359 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 360 1344, 1600, 0, 864, 865, 868, 900, 0, 361 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 362 /* 1280x768@60Hz */ 363 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 364 1472, 1664, 0, 768, 771, 778, 798, 0, 365 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 366 /* 1280x800@60Hz */ 367 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 368 1480, 1680, 0, 800, 803, 809, 831, 0, 369 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 370 /* 1280x960@60Hz */ 371 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 372 1488, 1800, 0, 960, 961, 964, 1000, 0, 373 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 374 /* 1280x1024@60Hz */ 375 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 376 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 377 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 378 /* 1360x768@60Hz */ 379 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 380 1536, 1792, 0, 768, 771, 777, 795, 0, 381 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 382 /* 1440x1050@60Hz */ 383 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 384 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, 385 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 386 /* 1440x900@60Hz */ 387 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 388 1672, 1904, 0, 900, 903, 909, 934, 0, 389 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 390 /* 1600x1200@60Hz */ 391 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 392 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 393 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 394 /* 1680x1050@60Hz */ 395 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 396 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, 397 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 398 /* 1792x1344@60Hz */ 399 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 400 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, 401 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 402 /* 1853x1392@60Hz */ 403 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 404 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, 405 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 406 /* 1920x1200@60Hz */ 407 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 408 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, 409 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 410 /* 1920x1440@60Hz */ 411 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 412 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, 413 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 414 /* 2560x1600@60Hz */ 415 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 416 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, 417 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 418 /* Terminate */ 419 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, 420 }; 421 422 static int vmw_ldu_connector_fill_modes(struct drm_connector *connector, 423 uint32_t max_width, uint32_t max_height) 424 { 425 struct vmw_legacy_display_unit *ldu = vmw_connector_to_ldu(connector); 426 struct drm_device *dev = connector->dev; 427 struct drm_display_mode *mode = NULL; 428 struct drm_display_mode prefmode = { DRM_MODE("preferred", 429 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 430 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 431 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) 432 }; 433 int i; 434 435 /* Add preferred mode */ 436 { 437 mode = drm_mode_duplicate(dev, &prefmode); 438 if (!mode) 439 return 0; 440 mode->hdisplay = ldu->pref_width; 441 mode->vdisplay = ldu->pref_height; 442 mode->vrefresh = drm_mode_vrefresh(mode); 443 drm_mode_probed_add(connector, mode); 444 445 if (ldu->pref_mode) { 446 list_del_init(&ldu->pref_mode->head); 447 drm_mode_destroy(dev, ldu->pref_mode); 448 } 449 450 ldu->pref_mode = mode; 451 } 452 453 for (i = 0; vmw_ldu_connector_builtin[i].type != 0; i++) { 454 if (vmw_ldu_connector_builtin[i].hdisplay > max_width || 455 vmw_ldu_connector_builtin[i].vdisplay > max_height) 456 continue; 457 458 mode = drm_mode_duplicate(dev, &vmw_ldu_connector_builtin[i]); 459 if (!mode) 460 return 0; 461 mode->vrefresh = drm_mode_vrefresh(mode); 462 463 drm_mode_probed_add(connector, mode); 464 } 465 466 drm_mode_connector_list_update(connector); 467 468 return 1; 469 } 470 471 static int vmw_ldu_connector_set_property(struct drm_connector *connector, 472 struct drm_property *property, 473 uint64_t val) 474 { 475 return 0; 476 } 477 478 static void vmw_ldu_connector_destroy(struct drm_connector *connector) 479 { 480 vmw_ldu_destroy(vmw_connector_to_ldu(connector)); 481 } 482 483 static struct drm_connector_funcs vmw_legacy_connector_funcs = { 484 .dpms = vmw_ldu_connector_dpms, 485 .save = vmw_ldu_connector_save, 486 .restore = vmw_ldu_connector_restore, 487 .detect = vmw_ldu_connector_detect, 488 .fill_modes = vmw_ldu_connector_fill_modes, 489 .set_property = vmw_ldu_connector_set_property, 490 .destroy = vmw_ldu_connector_destroy, 491 }; 492 493 static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) 494 { 495 struct vmw_legacy_display_unit *ldu; 496 struct drm_device *dev = dev_priv->dev; 497 struct drm_connector *connector; 498 struct drm_encoder *encoder; 499 struct drm_crtc *crtc; 500 501 ldu = kzalloc(sizeof(*ldu), GFP_KERNEL); 502 if (!ldu) 503 return -ENOMEM; 504 505 ldu->base.unit = unit; 506 crtc = &ldu->base.crtc; 507 encoder = &ldu->base.encoder; 508 connector = &ldu->base.connector; 509 510 INIT_LIST_HEAD(&ldu->active); 511 512 ldu->pref_active = (unit == 0); 513 ldu->pref_width = 800; 514 ldu->pref_height = 600; 515 ldu->pref_mode = NULL; 516 517 drm_connector_init(dev, connector, &vmw_legacy_connector_funcs, 518 DRM_MODE_CONNECTOR_LVDS); 519 connector->status = vmw_ldu_connector_detect(connector); 520 521 drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs, 522 DRM_MODE_ENCODER_LVDS); 523 drm_mode_connector_attach_encoder(connector, encoder); 524 encoder->possible_crtcs = (1 << unit); 525 encoder->possible_clones = 0; 526 527 drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs); 528 529 drm_connector_attach_property(connector, 530 dev->mode_config.dirty_info_property, 531 1); 532 533 return 0; 534 } 535 536 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) 537 { 538 if (dev_priv->ldu_priv) { 539 DRM_INFO("ldu system already on\n"); 540 return -EINVAL; 541 } 542 543 dev_priv->ldu_priv = kmalloc(GFP_KERNEL, sizeof(*dev_priv->ldu_priv)); 544 545 if (!dev_priv->ldu_priv) 546 return -ENOMEM; 547 548 INIT_LIST_HEAD(&dev_priv->ldu_priv->active); 549 dev_priv->ldu_priv->num_active = 0; 550 dev_priv->ldu_priv->last_num_active = 0; 551 dev_priv->ldu_priv->fb = NULL; 552 553 drm_mode_create_dirty_info_property(dev_priv->dev); 554 555 vmw_ldu_init(dev_priv, 0); 556 /* for old hardware without multimon only enable one display */ 557 if (dev_priv->capabilities & SVGA_CAP_MULTIMON) { 558 vmw_ldu_init(dev_priv, 1); 559 vmw_ldu_init(dev_priv, 2); 560 vmw_ldu_init(dev_priv, 3); 561 vmw_ldu_init(dev_priv, 4); 562 vmw_ldu_init(dev_priv, 5); 563 vmw_ldu_init(dev_priv, 6); 564 vmw_ldu_init(dev_priv, 7); 565 } 566 567 return 0; 568 } 569 570 int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv) 571 { 572 if (!dev_priv->ldu_priv) 573 return -ENOSYS; 574 575 BUG_ON(!list_empty(&dev_priv->ldu_priv->active)); 576 577 kfree(dev_priv->ldu_priv); 578 579 return 0; 580 } 581 582 int vmw_kms_ldu_update_layout(struct vmw_private *dev_priv, unsigned num, 583 struct drm_vmw_rect *rects) 584 { 585 struct drm_device *dev = dev_priv->dev; 586 struct vmw_legacy_display_unit *ldu; 587 struct drm_connector *con; 588 int i; 589 590 mutex_lock(&dev->mode_config.mutex); 591 592 #if 0 593 DRM_INFO("%s: new layout ", __func__); 594 for (i = 0; i < (int)num; i++) 595 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y, 596 rects[i].w, rects[i].h); 597 DRM_INFO("\n"); 598 #else 599 (void)i; 600 #endif 601 602 list_for_each_entry(con, &dev->mode_config.connector_list, head) { 603 ldu = vmw_connector_to_ldu(con); 604 if (num > ldu->base.unit) { 605 ldu->pref_width = rects[ldu->base.unit].w; 606 ldu->pref_height = rects[ldu->base.unit].h; 607 ldu->pref_active = true; 608 } else { 609 ldu->pref_width = 800; 610 ldu->pref_height = 600; 611 ldu->pref_active = false; 612 } 613 con->status = vmw_ldu_connector_detect(con); 614 } 615 616 mutex_unlock(&dev->mode_config.mutex); 617 618 return 0; 619 } 620